ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTRBGCZEEHUPLSKBAHRIS..MTNORS......................JDIM360 Ver 2.15 (14 Jul 2008) - 1620000/02003055EUROPEAN PATENT APPLICATIONA320120530EP08251245.020080331enenen81149120070611US2012053020122220081217200851B64C 11/30 20060101AFI20120425BHEP B64C 11/38 20060101ALI20120425BHEP deBlattverstellungsmechanismusenBlade pitch actuation mechanismfrMécanisme d'actuation de pas de pale2Hamilton Sundstrand Corporation10013570730.10.97155One Hamilton RoadWindsor Locks, CT 06096-1010USRaes, Mark223 Lake Road, AndoverCT 0632USCarvalho, Paul A.24 Tanglewood Drive, WestfieldMA 01085USTomlinson, Kerry John100017110Dehns St Bride's House 10 Salisbury SquareLondon EC4Y 8JDGBATBEBGCHCYCZDEDKEEESFIFRGBGRHRHUIEISITLILTLULVMCMTNLNOPLPTROSESISKTRALBAMKRS20120530201222

A blade pitch actuation mechanism (12) for a plurality of propeller blades (20) supported in a blade hub (44) comprises a plurality of bearing assemblies (54), a bearing support plate (52) and a yoke (48). The plurality of bearing assemblies (54) receives a plurality of actuation trunnion pins (61) from the plurality of propeller blades (20). The bearing support plate (52) is connected to the plurality of bearing assemblies (54) and unifies the plurality of bearing assemblies (54) in a ring-like configuration. The yoke (48) is connected to the bearing support plate (52) and translates within the hub (44) to adjust the pitch of the plurality of propeller blades (20).